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When to Plant Sweet Pea in Zone 1B

USDA Zone

1B

Cities Covered

11

Avg Last Frost

Wednesday, June 10, 2026

Plant Type

Direct Sow

📅 Planting Calendar for Zone 1B

Direct Sow Outdoors Wednesday, May 13, 2026

Pro Tip: Sweet Pea can be directly sown outdoors. Plant 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Lathyrus odoratus
Days to Maturity 65 days
Sun Requirements Full Sun (6-8 hours)
Plant Spacing 6" apart

Cities in Zone 1B

Other Plants for Zone 1B

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Growing Sweet Pea in USDA Zone 1B

Sweet Pea (Lathyrus odoratus) grows well in USDA Hardiness Zone 1B. This zone includes cities like Arctic Village, Bettles Field, Chicken and 8 more.

The average last frost date for Zone 1B is around Wednesday, June 10, 2026. Sweet Pea can be directly sown outdoors around Wednesday, May 13, 2026.

Expect to harvest your Sweet Pea approximately 65 days after planting.